#!perlenv -w

use strict;

my ( $port, $uniqip, $longip );
my ( @nessusdata, @ports,  @ips, @uniqip, @splitip, @rearranged );

my %longips;

my $nessusdata = $ARGV[0];
my $portreport = "portreport";
my $num        = 256;
my $count      = 0;

if ( $#ARGV < 0 ) {
    print "usage: npr.pl <NessusWX Export File>";
    exit;
}

open( NESSUSDATA, "< $nessusdata" ) || die "Could not open file: $! \n";
@nessusdata = <NESSUSDATA>;
close(NESSUSDATA);

open( PORTREPORT, "> $portreport" ) || die "Could not open file: $! \n";

if ( $nessusdata[0] !~ m/[NessusWX Export File]/ ) {
    print "File $ARGV[0] does not appear to be a valid NessusWX Export File\n";
    exit 0;
}

foreach $nessusdata (@nessusdata) {
    my @result = split ( /\|/, $nessusdata );
    if ( $result[0] =~ /(NessusWX|DATA)/ ) {
        next;
    }
    elsif ( !$result[2] ) {
        push @ports, $nessusdata;
        push @ips, $result[0];
    }
}

@uniqip = keys %{ { @ips, reverse @ips } };

foreach $uniqip (@uniqip) {
    @splitip = split ( /\./, $uniqip );
    $longip =
      ( $splitip[0] * ( $num * $num * $num ) ) +
      ( $splitip[1] * ( $num * $num ) ) + ( $splitip[2] * $num ) +
      ( $splitip[3] );
    $longips{$longip} = $uniqip;
}

@rearranged = sort { $a <=> $b } keys %longips;

foreach (@rearranged) {
    if ( $count == 0 ) {
        print PORTREPORT $longips{$_}, "|";
    }
    else {
        print PORTREPORT "\n", $longips{$_}, "|";
    }
    foreach $port (@ports) {
        my @result = split ( /\|/, $port );
        if ( $result[1] =~ m/general/ ) {
            next;
        }
        elsif ( $longips{$_} =~ m/$result[0]$/ ) {
            $result[1] =~ s/(\(|\))//g;
            chomp $result[1];
            print PORTREPORT $result[1], "|";
        }
    }
    $count = 1;
}

close(PORTREPORT);